Invicta Pro Diver 23678vsSquale 1521
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Pro Diver 23678

1521
Diameter
40mm
42mm
Thickness
n/a
12.5mm
Water Resistance
200m
500m
highest
Power Reserve
n/a
38h
MSRP
n/a
$1,265
Movement
Seiko NH35
Sellita SW200-1
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Invicta Pro Diver 23678 for its exceptional value, with its 40mm case size frequently noted as a comfortable fit. The Seiko NH35 automatic movement is a standard feature, and the watch includes a screw-down crown and 200m water resistance. While one owner reports a loose, non-clicking bezel and significant time loss, another owner specifically praises the bezel's 120 clicks and satisfying feel. The luminescence is considered poor by one owner, though the exhibition caseback is a noted feature. Overall, owners rate the Invicta Pro Diver 23678 highly for its strong value proposition and capable build at its price point.
Owners widely praise the Squale 1521 for its classic look and robust build, with specific mentions of its wearable 12.5mm thickness and refined case finishing. The 42mm case is noted by some to wear smaller, closer to 40mm, due to short lugs, feeling solid without being too large. However, opinions on the bracelet vary, with some finding it too flashy or stiff, and one owner reported moisture ingress after a shower due to a loose case back. The crown can be difficult to operate due to deep integration, and the 38-hour power reserve is considered old-school but reliable. Overall, owners rate the Squale 1521 highly for its classic design and wearability, despite some reservations about the bracelet and crown.
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